Whether it’s because of government surveillance or cyberattacks, internet users are more concerned than ever about the privacy of their online activities. Unfortunately, security measures like firewalls and antivirus software can’t help you in this case, but there’s one that can: Virtual Private Network (VPN).

What is VPN?

Simply put, a VPN is a group of servers you connect to via the internet.

You’ve heard of ransomware, denial-of-service attacks, and even phishing, but one hacking technique you may not have heard of is the KRACK exploit. This attack takes advantage of a vulnerability in WiFi networks, which puts any device with a wireless connection at risk.